An Underwater Optical Communication System Implementing Reed-Solomon Channel Coding

被引:0
|
作者
Cox, William C. [1 ]
Simpson, Jim A. [1 ]
Domizioli, Carlo P. [1 ]
Muth, John F. [1 ]
Hughes, Brian L. [1 ]
机构
[1] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA
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中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
An underwater optical communications system that implements forward error correction is demonstrated. The system uses a 405 nm diode laser to transmit on-off-keying (OOK) return-to-zero modulated data at a rate of 500 kbps to a photodiode receiver using a (255,129) Reed-Solomon code. The signal is digitized at the receiver and sent to a PC for post-processing. Experimental measurements collected in an indoor water tank suggest that the coded system can reduce the power required to achieve a bit-error-rate of 10(-4) by approximately 8 dB relative to an uncoded OOK system.
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页码:1275 / 1280
页数:6
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